Ralph Emerson Campbell (May 9, 1867 – January 9, 1921) was a United States district judge of the United States District Court for the Eastern District of Oklahoma.
رالف إي. كامبل (بالإنجليزية: Ralph E. Campbell) هو قاضي ومحامي أمريكي، ولد في 9 مايو 1867، وتوفي في 9 يناير 1921. (ar)
Ralph Emerson Campbell (May 9, 1867 – January 9, 1921) was a United States district judge of the United States District Court for the Eastern District of Oklahoma. (en)